JSFiddle - React, Tailwind, and code Playground

HTML

Choose: 
<select id="test">
    <option>One</option>
    <option>Two</option>
    <option>Three</option>
</select>

CSS

body { padding: 3em; }

JavaScript

var elem = document.getElementById( 'test' );

elem.onclick = function ( e ) {
    if ( e.target.tagName.toLowerCase() === 'option' ) {
        alert( '<option> clicked' );
    }
};